
AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:21:29
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2001 Fall Central Section Meeting
Columbus, OH, September 2123, 2001
Meeting #969
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Special Session on Coding Theory and Designs

Friday September 21, 2001, 1:30 p.m.4:50 p.m.
Special Session on Coding Theory and Designs, I
UH 0090, University Hall (UH) Organizers: Tom Dowling, Ohio State University tdowling@math.ohiostate.edu
Dijen RayChaudhuri, dijen@math.ohiostate.edu

1:30 p.m.
Designs in Shortened Additive GF(4) Codes.
Vera Pless*, University of IllinoisChicago
JonLark Kim, University of IllinoisChicago
(96994162)

2:00 p.m.
New lower bounds on the maximum number of mutually orthogonal Steiner triple systems.
Jeff Dinitz*, University of Vermont
Peter Dukes, Calif. Institute of Technology
(96905233)

2:30 p.m.
On abelian relative difference sets which are extensions of diffrence sets with classical parameters.
Nobuo Nobu Nakagawa, Naka*, Department of Mathematics Faculty of Science and Technology
(9690566)

3:00 p.m.
Higher Weights and Nonbinary SelfDual Codes.
Steven T Dougherty, University of Scranton
Aaron Gulliver*, University of Victoria
(96994220)

3:30 p.m.
A technique for constructing nonembeddable quasiresidual designs.
Yury J. Ionin*, Central Michigan University
Kirsten MackenzieFleming, Central Michigan University
(96905246)

4:00 p.m.
An Existence Theorem for Group Divisible 2Designs of Large Order.
Hedvig Mohacsy*, The Ohio State University
Dijen K RayChaudhuri, The Ohio State University
(96905250)

4:30 p.m.
Extremal problems under dimension constraints.
Rudolf Ahlswede*, University of Bielefeld
Harout Aydinian, University of Bielefeld
Levon H Khachatrian, University of Bielefeld
(96905117)

Saturday September 22, 2001, 8:30 a.m.11:20 a.m.
Special Session on Coding Theory and Designs, II
UH 0090, University Hall (UH) Organizers: Tom Dowling, Ohio State University tdowling@math.ohiostate.edu
Dijen RayChaudhuri, dijen@math.ohiostate.edu

8:30 a.m.
AssmusMattson Theorem on Additive Codes over GF(4).
JonLark Kim*, University of IllinoisChicago
Vera Pless, University of IllinoisChicago
(96994180)

9:00 a.m.
Schur rings and circulant graphs I. From algebraic background to symmetry in circulants.
Andrew J Woldar*, Villanova University
(96905226)

9:30 a.m.
Schur rings and circulant graphs: II. Automorphism groups of circulant graphs with a primepower number of vertices.
Mikhail Klin*, BenGurion University of the Negev
Reinhard Poeschel, Technological University of Dresden
(96905225)

10:00 a.m.
New partial difference sets in abelian $p$groups.
Xiangdong Hou*, Wright State University
(9690565)

10:30 a.m.
Some new results on perfect sequences and a proof of the Lin and Gong conjectures.
K T Arasu*, Wright State University
J F Dillon, National Security Agency
K J Player, Wright State University
(96905208)

11:00 a.m.
The subconstituent algebra of a distanceregular graph.
Paul M Terwilliger*, University of Wisconsin
(9690568)

Saturday September 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Coding Theory and Designs, III
UH 0090, University Hall (UH) Organizers: Tom Dowling, Ohio State University tdowling@math.ohiostate.edu
Dijen RayChaudhuri, dijen@math.ohiostate.edu

3:00 p.m.
Quasisymmetric Designs with Good Blocks and Intersection Number One.
V.C. Mavron, The University of Wales
T.P. McDonough, The University of Wales
M.S. Shrikhande*, Central Michigan University
(9690518)

3:30 p.m.
Discussion

4:00 p.m.
A Class of Polynomial Codes and a Family of Griesmer Codes.
Nuh Aydin*, The Ohio State University
Dijen K. RayChaudhuri, The Ohio State University
(9690520)

4:30 p.m.
Products and Quotients of Association Schemes.
Sejeong Bang, POSTECH
Mitsugu Hirasaka, National Taiwan University
Sung Y Song*, Iowa State University
(96905111)

Sunday September 23, 2001, 9:30 a.m.11:20 a.m.
Special Session on Coding Theory and Designs, IV
UH 0090, University Hall (UH) Organizers: Tom Dowling, Ohio State University tdowling@math.ohiostate.edu
Dijen RayChaudhuri, dijen@math.ohiostate.edu

9:30 a.m.
The current status of the lambdadesign conjecture.
\'Akos Seress*, The Ohio State University, Columbus, Ohio
(96905104)

10:30 a.m.
Maximal arcs in projective threespaces and doubleerrorcorrecting cyclic codes.
Qing Xiang*, University of Delaware
Henk D. L. Hollmann, Philips Research Labs
(9690567)

11:00 a.m.
Perfect Codes and Balanced Generalized Weighing Matrices.
Vladimir D Tonchev*, Michigan Technological University
(9690510)
Inquiries: meet@ams.org

